Don't believe the slogans, _____ you will be fooled. [ ]
A. but
B. or
C. and
答案:B
A.放在衣箱中的卫生球(萘)会变小
B.铁能铸造成各种形状的零件
C.铅在熔化时要吸热
D.冰在0℃才会熔化